Message ID | 20221006212528.103790-6-nfraprado@collabora.com |
---|---|
State | New |
Headers | show |
Series | MT8192 Asurada devicetree - Part 2 | expand |
On Fri, Oct 7, 2022 at 5:25 AM Nícolas F. R. A. Prado <nfraprado@collabora.com> wrote: > > Add aliases for the i2c and mmc nodes on the Asurada platform DT to > ensure that we get stable ids for those devices on userspace. > > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> > > --- > > Changes in v2: > - Added this commit > > arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi > index dac2d4f5e670..758ca42a6156 100644 > --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi > @@ -11,6 +11,18 @@ > > / { > aliases { > + i2c0 = &i2c0; > + i2c1 = &i2c1; > + i2c2 = &i2c2; > + i2c3 = &i2c3; > + i2c4 = &i2c4; > + i2c5 = &i2c5; > + i2c6 = &i2c6; > + i2c7 = &i2c7; > + i2c8 = &i2c8; > + i2c9 = &i2c9; You should only add aliases for interfaces that are actually enabled. Also, I think we can disable i2c6. None of the current products use it. ChenYu > + mmc0 = &mmc0; > + mmc1 = &mmc1; > serial0 = &uart0; > }; > > -- > 2.37.3 >
On Fri, Oct 7, 2022 at 11:51 AM Chen-Yu Tsai <wenst@chromium.org> wrote: > > On Fri, Oct 7, 2022 at 5:25 AM Nícolas F. R. A. Prado > <nfraprado@collabora.com> wrote: > > > > Add aliases for the i2c and mmc nodes on the Asurada platform DT to > > ensure that we get stable ids for those devices on userspace. > > > > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> > > > > --- > > > > Changes in v2: > > - Added this commit > > > > arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi > > index dac2d4f5e670..758ca42a6156 100644 > > --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi > > +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi > > @@ -11,6 +11,18 @@ > > > > / { > > aliases { > > + i2c0 = &i2c0; > > + i2c1 = &i2c1; > > + i2c2 = &i2c2; > > + i2c3 = &i2c3; > > + i2c4 = &i2c4; > > + i2c5 = &i2c5; > > + i2c6 = &i2c6; > > + i2c7 = &i2c7; > > + i2c8 = &i2c8; > > + i2c9 = &i2c9; > > You should only add aliases for interfaces that are actually enabled. > > Also, I think we can disable i2c6. None of the current products use it. > > ChenYu > > > + mmc0 = &mmc0; > > + mmc1 = &mmc1; Also, Spherion does not have an SD card slot. It might be better to move the mmc aliases to the end .dts files. ChenYu
Il 06/10/22 23:25, Nícolas F. R. A. Prado ha scritto: > Add aliases for the i2c and mmc nodes on the Asurada platform DT to > ensure that we get stable ids for those devices on userspace. > > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> > Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
On Fri, Oct 14, 2022 at 4:24 AM Nícolas F. R. A. Prado <nfraprado@collabora.com> wrote: > > On Fri, Oct 07, 2022 at 12:02:03PM +0800, Chen-Yu Tsai wrote: > > On Fri, Oct 7, 2022 at 11:51 AM Chen-Yu Tsai <wenst@chromium.org> wrote: > > > > > > On Fri, Oct 7, 2022 at 5:25 AM Nícolas F. R. A. Prado > > > <nfraprado@collabora.com> wrote: > > > > > > > > Add aliases for the i2c and mmc nodes on the Asurada platform DT to > > > > ensure that we get stable ids for those devices on userspace. > > > > > > > > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> > > > > > > > > --- > > > > > > > > Changes in v2: > > > > - Added this commit > > > > > > > > arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi | 12 ++++++++++++ > > > > 1 file changed, 12 insertions(+) > > > > > > > > diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi > > > > index dac2d4f5e670..758ca42a6156 100644 > > > > --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi > > > > +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi > > > > @@ -11,6 +11,18 @@ > > > > > > > > / { > > > > aliases { > > > > + i2c0 = &i2c0; > > > > + i2c1 = &i2c1; > > > > + i2c2 = &i2c2; > > > > + i2c3 = &i2c3; > > > > + i2c4 = &i2c4; > > > > + i2c5 = &i2c5; > > > > + i2c6 = &i2c6; > > > > + i2c7 = &i2c7; > > > > + i2c8 = &i2c8; > > > > + i2c9 = &i2c9; > > > > > > You should only add aliases for interfaces that are actually enabled. > > Ok, will drop the extra ones. > > > > > > > Also, I think we can disable i2c6. None of the current products use it. > > It's already disabled upstream. > > > > > > > ChenYu > > > > > > > + mmc0 = &mmc0; > > > > + mmc1 = &mmc1; > > > > Also, Spherion does not have an SD card slot. It might be better to move > > the mmc aliases to the end .dts files. > > Based on the downstream dts, rev0 and rev1 do have SD card slot (or at least the > mmc1 controller isn't disabled on those). However upstream we have a single dts > (asurada-spherion-r0) shared by those two and rev2 and rev3 (which don't have > the SD card slot), given that this way we can have a single dts and there's no > disadvantage to keeping the mmc1 node enabled because the CD IRQ will never be > triggered. With this in mind, I think it makes more sense to keep the mmc > aliases in the asurada dtsi, as there's no harm in having them, and will ensure > fixed ids for the rev0 and rev1 spherion boards. Sounds good to me. ChenYu
diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi index dac2d4f5e670..758ca42a6156 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi @@ -11,6 +11,18 @@ / { aliases { + i2c0 = &i2c0; + i2c1 = &i2c1; + i2c2 = &i2c2; + i2c3 = &i2c3; + i2c4 = &i2c4; + i2c5 = &i2c5; + i2c6 = &i2c6; + i2c7 = &i2c7; + i2c8 = &i2c8; + i2c9 = &i2c9; + mmc0 = &mmc0; + mmc1 = &mmc1; serial0 = &uart0; };
Add aliases for the i2c and mmc nodes on the Asurada platform DT to ensure that we get stable ids for those devices on userspace. Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> --- Changes in v2: - Added this commit arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+)